diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 1842 |
1 files changed, 1842 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c new file mode 100644 index 0000000..e7470a4 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -0,0 +1,1842 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Enterprise Fibre Channel Host Bus Adapters. * + * Refer to the README file included with this package for * + * driver version and adapter support. * + * Copyright (C) 2004 Emulex Corporation. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of the GNU General Public License * + * as published by the Free Software Foundation; either version 2 * + * of the License, or (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details, a copy of which * + * can be found in the file COPYING included with this package. * + *******************************************************************/ + +/* + * $Id: lpfc_nportdisc.c 1.179 2005/04/13 11:59:13EDT sf_support Exp $ + */ + +#include <linux/blkdev.h> +#include <linux/pci.h> +#include <linux/interrupt.h> + +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_transport_fc.h> + +#include "lpfc_hw.h" +#include "lpfc_sli.h" +#include "lpfc_disc.h" +#include "lpfc_scsi.h" +#include "lpfc.h" +#include "lpfc_logmsg.h" +#include "lpfc_crtn.h" + + +/* Called to verify a rcv'ed ADISC was intended for us. */ +static int +lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + struct lpfc_name * nn, struct lpfc_name * pn) +{ + /* Compare the ADISC rsp WWNN / WWPN matches our internal node + * table entry for that node. + */ + if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0) + return (0); + + if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0) + return (0); + + /* we match, return success */ + return (1); +} + + +int +lpfc_check_sparm(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, struct serv_parm * sp, + uint32_t class) +{ + volatile struct serv_parm *hsp = &phba->fc_sparam; + /* First check for supported version */ + + /* Next check for class validity */ + if (sp->cls1.classValid) { + + if (sp->cls1.rcvDataSizeMsb > hsp->cls1.rcvDataSizeMsb) + sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; + if (sp->cls1.rcvDataSizeLsb > hsp->cls1.rcvDataSizeLsb) + sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; + } else if (class == CLASS1) { + return (0); + } + + if (sp->cls2.classValid) { + + if (sp->cls2.rcvDataSizeMsb > hsp->cls2.rcvDataSizeMsb) + sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; + if (sp->cls2.rcvDataSizeLsb > hsp->cls2.rcvDataSizeLsb) + sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; + } else if (class == CLASS2) { + return (0); + } + + if (sp->cls3.classValid) { + + if (sp->cls3.rcvDataSizeMsb > hsp->cls3.rcvDataSizeMsb) + sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; + if (sp->cls3.rcvDataSizeLsb > hsp->cls3.rcvDataSizeLsb) + sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; + } else if (class == CLASS3) { + return (0); + } + + if (sp->cmn.bbRcvSizeMsb > hsp->cmn.bbRcvSizeMsb) + sp->cmn.bbRcvSizeMsb = hsp->cmn.bbRcvSizeMsb; + if (sp->cmn.bbRcvSizeLsb > hsp->cmn.bbRcvSizeLsb) + sp->cmn.bbRcvSizeLsb = hsp->cmn.bbRcvSizeLsb; + + /* If check is good, copy wwpn wwnn into ndlp */ + memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); + memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); + return (1); +} + +static void * +lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, + struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_dmabuf *pcmd, *prsp; + uint32_t *lp; + void *ptr = NULL; + IOCB_t *irsp; + + irsp = &rspiocb->iocb; + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + + /* For lpfc_els_abort, context2 could be zero'ed to delay + * freeing associated memory till after ABTS completes. + */ + if (pcmd) { + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, + list); + if (prsp) { + lp = (uint32_t *) prsp->virt; + ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); + } + } + else { + /* Force ulpStatus error since we are returning NULL ptr */ + if (!(irsp->ulpStatus)) { + irsp->ulpStatus = IOSTAT_LOCAL_REJECT; + irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; + } + ptr = NULL; + } + return (ptr); +} + + +/* + * Free resources / clean up outstanding I/Os + * associated with a LPFC_NODELIST entry. This + * routine effectively results in a "software abort". + */ +int +lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + int send_abts) +{ + struct lpfc_sli *psli; + struct lpfc_sli_ring *pring; + struct lpfc_iocbq *iocb, *next_iocb; + IOCB_t *icmd; + int found = 0; + + /* Abort outstanding I/O on NPort <nlp_DID> */ + lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, + "%d:0201 Abort outstanding I/O on NPort x%x " + "Data: x%x x%x x%x\n", + phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, + ndlp->nlp_state, ndlp->nlp_rpi); + + psli = &phba->sli; + pring = &psli->ring[LPFC_ELS_RING]; + + /* First check the txq */ + do { + found = 0; + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + /* Check to see if iocb matches the nport we are looking + for */ + if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { + found = 1; + /* It matches, so deque and call compl with an + error */ + list_del(&iocb->list); + pring->txq_cnt--; + if (iocb->iocb_cmpl) { + icmd = &iocb->iocb; + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + break; + } + } + spin_unlock_irq(phba->host->host_lock); + } while (found); + + /* Everything on txcmplq will be returned by firmware + * with a no rpi / linkdown / abort error. For ring 0, + * ELS discovery, we want to get rid of it right here. + */ + /* Next check the txcmplq */ + do { + found = 0; + spin_lock_irq(phba->host->host_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, + list) { + /* Check to see if iocb matches the nport we are looking + for */ + if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { + found = 1; + /* It matches, so deque and call compl with an + error */ + list_del(&iocb->list); + pring->txcmplq_cnt--; + + icmd = &iocb->iocb; + /* If the driver is completing an ELS + * command early, flush it out of the firmware. + */ + if (send_abts && + (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && + (icmd->un.elsreq64.bdl.ulpIoTag32)) { + lpfc_sli_issue_abort_iotag32(phba, + pring, iocb); + } + if (iocb->iocb_cmpl) { + icmd->ulpStatus = IOSTAT_LOCAL_REJECT; + icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + spin_unlock_irq(phba->host->host_lock); + (iocb->iocb_cmpl) (phba, iocb, iocb); + spin_lock_irq(phba->host->host_lock); + } else { + list_add_tail(&iocb->list, + &phba->lpfc_iocb_list); + } + break; + } + } + spin_unlock_irq(phba->host->host_lock); + } while(found); + + /* If we are delaying issuing an ELS command, cancel it */ + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + } + return (0); +} + +static int +lpfc_rcv_plogi(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + IOCB_t *icmd; + struct serv_parm *sp; + LPFC_MBOXQ_t *mbox; + struct ls_rjt stat; + int rc; + + memset(&stat, 0, sizeof (struct ls_rjt)); + if (phba->hba_state <= LPFC_FLOGI) { + /* Before responding to PLOGI, check for pt2pt mode. + * If we are pt2pt, with an outstanding FLOGI, abort + * the FLOGI and resend it first. + */ + if (phba->fc_flag & FC_PT2PT) { + lpfc_els_abort_flogi(phba); + if (!(phba->fc_flag & FC_PT2PT_PLOGI)) { + /* If the other side is supposed to initiate + * the PLOGI anyway, just ACC it now and + * move on with discovery. + */ + phba->fc_edtov = FF_DEF_EDTOV; + phba->fc_ratov = FF_DEF_RATOV; + /* Start discovery - this should just do + CLEAR_LA */ + lpfc_disc_start(phba); + } + else { + lpfc_initial_flogi(phba); + } + } + else { + stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, + ndlp); + return 0; + } + } + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) { + /* Reject this request because invalid parameters */ + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + return (0); + } + icmd = &cmdiocb->iocb; + + /* PLOGI chkparm OK */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, + ndlp->nlp_rpi); + + if ((phba->cfg_fcp_class == 2) && + (sp->cls2.classValid)) { + ndlp->nlp_fcp_info |= CLASS2; + } else { + ndlp->nlp_fcp_info |= CLASS3; + } + ndlp->nlp_class_sup = 0; + if (sp->cls1.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS1; + if (sp->cls2.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS2; + if (sp->cls3.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS3; + if (sp->cls4.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS4; + ndlp->nlp_maxframe = + ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; + + /* no need to reg_login if we are already in one of these states */ + switch(ndlp->nlp_state) { + case NLP_STE_NPR_NODE: + if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) + break; + case NLP_STE_REG_LOGIN_ISSUE: + case NLP_STE_PRLI_ISSUE: + case NLP_STE_UNMAPPED_NODE: + case NLP_STE_MAPPED_NODE: + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); + return (1); + } + + if ((phba->fc_flag & FC_PT2PT) + && !(phba->fc_flag & FC_PT2PT_PLOGI)) { + /* rcv'ed PLOGI decides what our NPortId will be */ + phba->fc_myDID = icmd->un.rcvels.parmRo; + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox == NULL) + goto out; + lpfc_config_link(phba, mbox); + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox + (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + if (rc == MBX_NOT_FINISHED) { + mempool_free( mbox, phba->mbox_mem_pool); + goto out; + } + + lpfc_can_disctmo(phba); + } + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (mbox == NULL) + goto out; + + if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID, + (uint8_t *) sp, mbox, 0)) { + mempool_free( mbox, phba->mbox_mem_pool); + goto out; + } + + /* ACC PLOGI rsp command needs to execute first, + * queue this mbox command to be processed later. + */ + mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; + mbox->context2 = ndlp; + ndlp->nlp_flag |= NLP_ACC_REGLOGIN; + + /* If there is an outstanding PLOGI issued, abort it before + * sending ACC rsp to PLOGI recieved. + */ + if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + } + ndlp->nlp_flag |= NLP_RCV_PLOGI; + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); + return (1); + +out: + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + return (0); +} + +static int +lpfc_rcv_padisc(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + struct serv_parm *sp; + struct lpfc_name *pnn, *ppn; + struct ls_rjt stat; + ADISC *ap; + IOCB_t *icmd; + uint32_t *lp; + uint32_t cmd; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + + cmd = *lp++; + if (cmd == ELS_CMD_ADISC) { + ap = (ADISC *) lp; + pnn = (struct lpfc_name *) & ap->nodeName; + ppn = (struct lpfc_name *) & ap->portName; + } else { + sp = (struct serv_parm *) lp; + pnn = (struct lpfc_name *) & sp->nodeName; + ppn = (struct lpfc_name *) & sp->portName; + } + + icmd = &cmdiocb->iocb; + if ((icmd->ulpStatus == 0) && + (lpfc_check_adisc(phba, ndlp, pnn, ppn))) { + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp); + } + else { + lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, + NULL, 0); + } + return (1); + } + /* Reject this request because invalid parameters */ + stat.un.b.lsRjtRsvd0 = 0; + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; + stat.un.b.vendorUnique = 0; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + /* 1 sec timeout */ + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + return (0); +} + +static int +lpfc_rcv_logo(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ + /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary + * PLOGIs during LOGO storms from a device. + */ + ndlp->nlp_flag |= NLP_LOGO_ACC; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + if (!(ndlp->nlp_type & NLP_FABRIC)) { + /* Only try to re-login if this is NOT a Fabric Node */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + } + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + /* The driver has to wait until the ACC completes before it continues + * processing the LOGO. The action will resume in + * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an + * unreg_login, the driver waits so the ACC does not get aborted. + */ + return (0); +} + +static void +lpfc_rcv_prli(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + struct lpfc_iocbq *cmdiocb) +{ + struct lpfc_dmabuf *pcmd; + uint32_t *lp; + PRLI *npr; + struct fc_rport *rport = ndlp->rport; + u32 roles; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + npr = (PRLI *) ((uint8_t *) lp + sizeof (uint32_t)); + + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && + (npr->prliType == PRLI_FCP_TYPE)) { + if (npr->initiatorFunc) + ndlp->nlp_type |= NLP_FCP_INITIATOR; + if (npr->targetFunc) + ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->Retry) + ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; + } + if (rport) { + /* We need to update the rport role values */ + roles = FC_RPORT_ROLE_UNKNOWN; + if (ndlp->nlp_type & NLP_FCP_INITIATOR) + roles |= FC_RPORT_ROLE_FCP_INITIATOR; + if (ndlp->nlp_type & NLP_FCP_TARGET) + roles |= FC_RPORT_ROLE_FCP_TARGET; + fc_remote_port_rolechg(rport, roles); + } +} + +static uint32_t +lpfc_disc_set_adisc(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp) +{ + /* Check config parameter use-adisc or FCP-2 */ + if ((phba->cfg_use_adisc == 0) && + !(phba->fc_flag & FC_RSCN_MODE)) { + if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) + return (0); + } + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_NPR_ADISC; + spin_unlock_irq(phba->host->host_lock); + return (1); +} + +static uint32_t +lpfc_disc_noop(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* This routine does nothing, just return the current state */ + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_disc_illegal(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0253 Illegal State Transition: node x%x event x%x, " + "state x%x Data: x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, + ndlp->nlp_flag); + return (ndlp->nlp_state); +} + +/* Start of Discovery State Machine routines */ + +static uint32_t +lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + ndlp->nlp_state = NLP_STE_UNUSED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + return (ndlp->nlp_state); + } + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_rcv_els_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_issue_els_logo(phba, ndlp, 0); + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_LOGO_ACC; + spin_unlock_irq(phba->host->host_lock); + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_rm_unused_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = arg; + struct lpfc_dmabuf *pcmd; + struct serv_parm *sp; + uint32_t *lp; + struct ls_rjt stat; + int port_cmp; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + lp = (uint32_t *) pcmd->virt; + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + + memset(&stat, 0, sizeof (struct ls_rjt)); + + /* For a PLOGI, we only accept if our portname is less + * than the remote portname. + */ + phba->fc_stat.elsLogiCol++; + port_cmp = memcmp(&phba->fc_portname, &sp->portName, + sizeof (struct lpfc_name)); + + if (port_cmp >= 0) { + /* Reject this request because the remote node will accept + ours */ + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + } + else { + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + } /* if our portname was less */ + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + if (evt == NLP_EVT_RCV_LOGO) { + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + } + else { + lpfc_issue_els_logo(phba, ndlp, 0); + } + + /* Put ndlp in npr list set plogi timer for 1 sec */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + struct lpfc_dmabuf *pcmd, *prsp; + uint32_t *lp; + IOCB_t *irsp; + struct serv_parm *sp; + LPFC_MBOXQ_t *mbox; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { + return (ndlp->nlp_state); + } + + irsp = &rspiocb->iocb; + + if (irsp->ulpStatus) + goto out; + + pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + + prsp = list_get_first(&pcmd->list, + struct lpfc_dmabuf, + list); + lp = (uint32_t *) prsp->virt; + + sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3)) + goto out; + + /* PLOGI chkparm OK */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_ELS, + "%d:0121 PLOGI chkparm OK " + "Data: x%x x%x x%x x%x\n", + phba->brd_no, + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); + + if ((phba->cfg_fcp_class == 2) && + (sp->cls2.classValid)) { + ndlp->nlp_fcp_info |= CLASS2; + } else { + ndlp->nlp_fcp_info |= CLASS3; + } + ndlp->nlp_class_sup = 0; + if (sp->cls1.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS1; + if (sp->cls2.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS2; + if (sp->cls3.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS3; + if (sp->cls4.classValid) + ndlp->nlp_class_sup |= FC_COS_CLASS4; + ndlp->nlp_maxframe = + ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | + sp->cmn.bbRcvSizeLsb; + + if (!(mbox = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL))) + goto out; + + lpfc_unreg_rpi(phba, ndlp); + if (lpfc_reg_login + (phba, irsp->un.elsreq64.remoteID, + (uint8_t *) sp, mbox, 0) == 0) { + /* set_slim mailbox command needs to + * execute first, queue this command to + * be processed later. + */ + switch(ndlp->nlp_DID) { + case NameServer_DID: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_ns_reg_login; + break; + case FDMI_DID: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_fdmi_reg_login; + break; + default: + mbox->mbox_cmpl = + lpfc_mbx_cmpl_reg_login; + } + mbox->context2 = ndlp; + if (lpfc_sli_issue_mbox(phba, mbox, + (MBX_NOWAIT | MBX_STOP_IOCB)) + != MBX_NOT_FINISHED) { + ndlp->nlp_state = + NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_list(phba, ndlp, + NLP_REGLOGIN_LIST); + return (ndlp->nlp_state); + } + mempool_free(mbox, phba->mbox_mem_pool); + } else { + mempool_free(mbox, phba->mbox_mem_pool); + } + + + out: + /* Free this node since the driver cannot login or has the wrong + sparm */ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding PLOGI */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + cmdiocb = (struct lpfc_iocbq *) arg; + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + return (ndlp->nlp_state); + } + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 0); + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + ADISC *ap; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); + irsp = &rspiocb->iocb; + + if ((irsp->ulpStatus) || + (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + /* 1 sec timeout */ + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); + memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + lpfc_unreg_rpi(phba, ndlp); + return (ndlp->nlp_state); + } + ndlp->nlp_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + + lpfc_disc_set_adisc(phba, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, + void *arg, uint32_t evt) +{ + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + uint32_t did; + + pmb = (LPFC_MBOXQ_t *) arg; + mb = &pmb->mb; + did = mb->un.varWords[1]; + if (mb->mbxStatus) { + /* RegLogin failed */ + lpfc_printf_log(phba, + KERN_ERR, + LOG_DISCOVERY, + "%d:0246 RegLogin failed Data: x%x x%x x%x\n", + phba->brd_no, + did, mb->mbxStatus, phba->hba_state); + + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + + lpfc_issue_els_logo(phba, ndlp, 0); + /* Put ndlp in npr list set plogi timer for 1 sec */ + ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + return (ndlp->nlp_state); + } + + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + + /* Only if we are not a fabric nport do we issue PRLI */ + if (!(ndlp->nlp_type & NLP_FABRIC)) { + ndlp->nlp_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); + lpfc_issue_els_prli(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Software abort outstanding PRLI before sending acc */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +/* This routine is envoked when we rcv a PRLO request from a nport + * we are logged into. We should send back a PRLO rsp setting the + * appropriate bits. + * NEXT STATE = PRLI_ISSUE + */ +static uint32_t +lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + PRLI *npr; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus) { + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + return (ndlp->nlp_state); + } + + /* Check out PRLI rsp */ + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && + (npr->prliType == PRLI_FCP_TYPE)) { + if (npr->initiatorFunc) + ndlp->nlp_type |= NLP_FCP_INITIATOR; + if (npr->targetFunc) + ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->Retry) + ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; + } + + ndlp->nlp_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + return (ndlp->nlp_state); +} + +/*! lpfc_device_rm_prli_issue + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * This routine is envoked when we a request to remove a nport we are in the + * process of PRLIing. We should software abort outstanding prli, unreg + * login, send a logout. We will change node state to UNUSED_NODE, put it + * on plogi list so it can be freed when LOGO completes. + * + */ +static uint32_t +lpfc_device_rm_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PRLI */ + lpfc_els_abort(phba, ndlp, 1); + + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + + +/*! lpfc_device_recov_prli_issue + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * The routine is envoked when the state of a device is unknown, like + * during a link down. We should remove the nodelist entry from the + * unmapped list, issue a UNREG_LOGIN, do a software abort of the + * outstanding PRLI command, then free the node entry. + */ +static uint32_t +lpfc_device_recov_prli_issue(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + /* software abort outstanding PRLI */ + lpfc_els_abort(phba, ndlp, 1); + + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_prli(phba, ndlp, cmdiocb); + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_recov_unmap_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + lpfc_disc_set_adisc(phba, ndlp); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_plogi(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* flush the target */ + spin_lock_irq(phba->host->host_lock); + lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); + spin_unlock_irq(phba->host->host_lock); + + /* Treat like rcv logo */ + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_recov_mapped_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + lpfc_disc_set_adisc(phba, ndlp); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + /* Ignore PLOGI if we have an outstanding LOGO */ + if (ndlp->nlp_flag & NLP_LOGO_SND) { + return (ndlp->nlp_state); + } + + if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); + } + + /* send PLOGI immediately, move to PLOGI issue state */ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + struct ls_rjt stat; + + cmdiocb = (struct lpfc_iocbq *) arg; + + memset(&stat, 0, sizeof (struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_logo(phba, ndlp, cmdiocb); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(phba, ndlp, cmdiocb); + + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); + lpfc_issue_els_adisc(phba, ndlp, 0); + } else { + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + } + } + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb; + + cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + + if (ndlp->nlp_flag & NLP_DELAY_TMO) { + if (ndlp->nlp_last_elscmd == (unsigned long)ELS_CMD_PLOGI) { + return (ndlp->nlp_state); + } else { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + del_timer_sync(&ndlp->nlp_delayfunc); + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + } + } + + ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); + lpfc_issue_els_plogi(phba, ndlp, 0); + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + lpfc_unreg_rpi(phba, ndlp); + /* This routine does nothing, just return the current state */ + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + LPFC_MBOXQ_t *pmb; + MAILBOX_t *mb; + + pmb = (LPFC_MBOXQ_t *) arg; + mb = &pmb->mb; + + /* save rpi */ + if (ndlp->nlp_rpi != 0) + lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); + + ndlp->nlp_rpi = mb->un.varWords[0]; + lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); + + return (ndlp->nlp_state); +} + +static uint32_t +lpfc_device_rm_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + return (NLP_STE_FREED_NODE); +} + +static uint32_t +lpfc_device_recov_npr_node(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, + uint32_t evt) +{ + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(phba->host->host_lock); + return (ndlp->nlp_state); +} + + +/* This next section defines the NPort Discovery State Machine */ + +/* There are 4 different double linked lists nodelist entries can reside on. + * The plogi list and adisc list are used when Link Up discovery or RSCN + * processing is needed. Each list holds the nodes that we will send PLOGI + * or ADISC on. These lists will keep track of what nodes will be effected + * by an RSCN, or a Link Up (Typically, all nodes are effected on Link Up). + * The unmapped_list will contain all nodes that we have successfully logged + * into at the Fibre Channel level. The mapped_list will contain all nodes + * that are mapped FCP targets. + */ +/* + * The bind list is a list of undiscovered (potentially non-existent) nodes + * that we have saved binding information on. This information is used when + * nodes transition from the unmapped to the mapped list. + */ +/* For UNUSED_NODE state, the node has just been allocated . + * For PLOGI_ISSUE and REG_LOGIN_ISSUE, the node is on + * the PLOGI list. For REG_LOGIN_COMPL, the node is taken off the PLOGI list + * and put on the unmapped list. For ADISC processing, the node is taken off + * the ADISC list and placed on either the mapped or unmapped list (depending + * on its previous state). Once on the unmapped list, a PRLI is issued and the + * state changed to PRLI_ISSUE. When the PRLI completion occurs, the state is + * changed to UNMAPPED_NODE. If the completion indicates a mapped + * node, the node is taken off the unmapped list. The binding list is checked + * for a valid binding, or a binding is automatically assigned. If binding + * assignment is unsuccessful, the node is left on the unmapped list. If + * binding assignment is successful, the associated binding list entry (if + * any) is removed, and the node is placed on the mapped list. + */ +/* + * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped + * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers + * expire, all effected nodes will receive a DEVICE_RM event. + */ +/* + * For a Link Up or RSCN, all nodes will move from the mapped / unmapped lists + * to either the ADISC or PLOGI list. After a Nameserver query or ALPA loopmap + * check, additional nodes may be added or removed (via DEVICE_RM) to / from + * the PLOGI or ADISC lists. Once the PLOGI and ADISC lists are populated, + * we will first process the ADISC list. 32 entries are processed initially and + * ADISC is initited for each one. Completions / Events for each node are + * funnelled thru the state machine. As each node finishes ADISC processing, it + * starts ADISC for any nodes waiting for ADISC processing. If no nodes are + * waiting, and the ADISC list count is identically 0, then we are done. For + * Link Up discovery, since all nodes on the PLOGI list are UNREG_LOGIN'ed, we + * can issue a CLEAR_LA and reenable Link Events. Next we will process the PLOGI + * list. 32 entries are processed initially and PLOGI is initited for each one. + * Completions / Events for each node are funnelled thru the state machine. As + * each node finishes PLOGI processing, it starts PLOGI for any nodes waiting + * for PLOGI processing. If no nodes are waiting, and the PLOGI list count is + * indentically 0, then we are done. We have now completed discovery / RSCN + * handling. Upon completion, ALL nodes should be on either the mapped or + * unmapped lists. + */ + +static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) + (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = { + /* Action routine Event Current State */ + lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ + lpfc_rcv_els_unused_node, /* RCV_PRLI */ + lpfc_rcv_logo_unused_node, /* RCV_LOGO */ + lpfc_rcv_els_unused_node, /* RCV_ADISC */ + lpfc_rcv_els_unused_node, /* RCV_PDISC */ + lpfc_rcv_els_unused_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_cmpl_logo_unused_node, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_unused_node, /* DEVICE_RM */ + lpfc_disc_illegal, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ + lpfc_rcv_els_plogi_issue, /* RCV_PRLI */ + lpfc_rcv_els_plogi_issue, /* RCV_LOGO */ + lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ + lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ + lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ + lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_plogi_issue, /* DEVICE_RM */ + lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_adisc_issue, /* RCV_PLOGI ADISC_ISSUE */ + lpfc_rcv_prli_adisc_issue, /* RCV_PRLI */ + lpfc_rcv_logo_adisc_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_adisc_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_adisc_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_adisc_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_cmpl_adisc_adisc_issue, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_adisc_issue, /* DEVICE_RM */ + lpfc_device_recov_adisc_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_reglogin_issue, /* RCV_PLOGI REG_LOGIN_ISSUE */ + lpfc_rcv_prli_reglogin_issue, /* RCV_PLOGI */ + lpfc_rcv_logo_reglogin_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_cmpl_reglogin_reglogin_issue,/* CMPL_REG_LOGIN */ + lpfc_device_rm_reglogin_issue, /* DEVICE_RM */ + lpfc_device_recov_reglogin_issue,/* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_prli_issue, /* RCV_PLOGI PRLI_ISSUE */ + lpfc_rcv_prli_prli_issue, /* RCV_PRLI */ + lpfc_rcv_logo_prli_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_prli_issue, /* DEVICE_RM */ + lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ + lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ + lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ + lpfc_rcv_padisc_unmap_node, /* RCV_ADISC */ + lpfc_rcv_padisc_unmap_node, /* RCV_PDISC */ + lpfc_rcv_prlo_unmap_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_disc_illegal, /* DEVICE_RM */ + lpfc_device_recov_unmap_node, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_mapped_node, /* RCV_PLOGI MAPPED_NODE */ + lpfc_rcv_prli_mapped_node, /* RCV_PRLI */ + lpfc_rcv_logo_mapped_node, /* RCV_LOGO */ + lpfc_rcv_padisc_mapped_node, /* RCV_ADISC */ + lpfc_rcv_padisc_mapped_node, /* RCV_PDISC */ + lpfc_rcv_prlo_mapped_node, /* RCV_PRLO */ + lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_disc_illegal, /* DEVICE_RM */ + lpfc_device_recov_mapped_node, /* DEVICE_RECOVERY */ + + lpfc_rcv_plogi_npr_node, /* RCV_PLOGI NPR_NODE */ + lpfc_rcv_prli_npr_node, /* RCV_PRLI */ + lpfc_rcv_logo_npr_node, /* RCV_LOGO */ + lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ + lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ + lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ + lpfc_disc_noop, /* CMPL_PLOGI */ + lpfc_disc_noop, /* CMPL_PRLI */ + lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ + lpfc_disc_noop, /* CMPL_ADISC */ + lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ + lpfc_device_rm_npr_node, /* DEVICE_RM */ + lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ +}; + +int +lpfc_disc_state_machine(struct lpfc_hba * phba, + struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +{ + uint32_t cur_state, rc; + uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, + uint32_t); + + ndlp->nlp_disc_refcnt++; + cur_state = ndlp->nlp_state; + + /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0211 DSM in event x%x on NPort x%x in state %d " + "Data: x%x\n", + phba->brd_no, + evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); + + func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; + rc = (func) (phba, ndlp, arg, evt); + + /* DSM out state <rc> on NPort <nlp_DID> */ + lpfc_printf_log(phba, + KERN_INFO, + LOG_DISCOVERY, + "%d:0212 DSM out state %d on NPort x%x Data: x%x\n", + phba->brd_no, + rc, ndlp->nlp_DID, ndlp->nlp_flag); + + ndlp->nlp_disc_refcnt--; + + /* Check to see if ndlp removal is deferred */ + if ((ndlp->nlp_disc_refcnt == 0) + && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; + spin_unlock_irq(phba->host->host_lock); + lpfc_nlp_remove(phba, ndlp); + return (NLP_STE_FREED_NODE); + } + if (rc == NLP_STE_FREED_NODE) + return (NLP_STE_FREED_NODE); + ndlp->nlp_state = rc; + return (rc); +} |